Home / 3,298.11-4,550.76-1,971.33

Finding the Fourth Proportional to 3,298.11, 4,550.76 and 1,971.33

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Solution

The fourth proportional to 3,298.11, 4,550.76 and 1,971.33 is: 2,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.11 : 4,550.76 = 1,971.33 : x
  2. Step 2: Convert to fraction form
    3,298.11/4,550.76 = 1,971.33/x
  3. Step 3: Cross multiply
    3,298.11x = 4,550.76 × 1,971.33
  4. Step 4: Simplify right side
    3,298.11x = 8,971,049.71
  5. Step 5: Solve for x
    x = 8,971,049.71/3,298.11
  6. Step 6: Final answer
    x = 2,720.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.